Which of the following best describes the impact of immigration on Europe during the 1900s?

A.
Immigrants bring wealth and skills that have helped lower government costs for health care

B.
Cultural diversity within wealthy western European countries has increased

C.
European countries rejected immigration to preserve one dominant culture in each country

D.
Immigration has caused the number of people in the workforce to shrink, harming the European economy

B. Cultural diversity within wealthy western European countries has increased.